Lia

Biography

Choi Ji-su (최지수; born July 21, 2000), known professionally as Lia (리아), is a South Korean singer under JYP Entertainment. She is a member of the South Korean girl group ITZY.

Career Overview

Lia has 21 screen credits in a career dating back to 2010. Signature works include ITZY 2024 Season's Greetings [Best Friends Forever], ITZY THE 1ST WORLD TOUR, ITZY 2023 Season's Greetings [Best Friends Forever]. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.

Personal Facts

Known For

Acting

Gender

female

Known Credits

21

Birth Date

2000-07-21 00:00:00

Birth Place

Incheon, South Korea

Known For

• 

  ITZY 2024 Season's Greetings [Best Friends Forever]
• 

  ITZY THE 1ST WORLD TOUR
• 

  ITZY 2023 Season's Greetings [Best Friends Forever]
• 

  ITZY 2022 Season's Greetings [Best Friends Forever]
• 

  ITZY 3rd World Tour Tunnel Vision in Seoul
• 

  ITZY THE 1ST WORLD TOUR CHECKMATE IN JAPAN

Frequent Collaborators

• Yeji (6 collaborations)
• Ryujin (6 collaborations)
• Chaeryeong (6 collaborations)
• Yuna (6 collaborations)

Credits

• actors (21 credits)

  • ITZY 3rd World Tour Tunnel Vision in Seoul

    Self

    actor

    actors
    2026
  • ITZY - 2nd World Tour 'Born To Be' in Seoul 'Day 2'

    Self

    actor

    actors
    2025
  • ITZY 2ND WORLD Tour [BORN TO BE] in SEOUL

    actor

    actors
    2025
  • KPOPPED

    - Spice Girls (Emma & Mel B). ITZY. (2025) ... Self actor actors
    2025
  • ITZY 2024 Season's Greetings [Best Friends Forever]

    Self

    actor

    actors
    2023
  • ITZY THE 1ST WORLD TOUR CHECKMATE IN JAPAN

    Self

    actor

    actors
    2023
  • ITZY THE 1ST WORLD TOUR CHECKMATE IN SEOUL

    Self

    actor

    actors
    2023
  • ITZY THE 1ST WORLD TOUR

    actor

    actors
    2023
  • The Seasons

    - Episode 9 (2026) ... Self actor actors

    - Episode 4 (2024) ... Self actor actors

    - Episode 12 (2023) ... Self actor actors
    2023
  • ITZY 2023 Season's Greetings [Best Friends Forever]

    Self (Lia)

    actor

    actors
    2022
  • ITZY COMEBACK SPECIAL ‘CHECKMATE’

    Self

    actor

    actors
    2022
  • ITZY JAPAN 1st SINGLE 『Voltage』 リリー ス記念生配信

    Self

    actor

    actors
    2022
  • ITZY V2LOG: Hello 2022

    Self

    actor

    actors
    2022
  • ITZY 3RD ANNIVERSARY

    Self

    actor

    actors
    2022
  • ITZY 2022 Season's Greetings [Best Friends Forever]

    Self (Lia)

    actor

    actors
    2021
  • The Game Caterers

    - The Game Caterers X JYP EP. 2-4 (2025) ... Self actor actors

    - The Game Caterers X JYP EP. 2-3 (2025) ... Self actor actors

    - The Game Caterers X JYP EP. 2-2 (2025) ... Self actor actors

    - The Game Caterers X JYP EP. 2-1 (2025) ... Self actor actors

    - The Game Caterers X JYP EP. 1-4 (2025) ... Self actor actors
    2021
  • The Kelly Clarkson Show

    - 50 Cent, Glenn Howerton, ITZY, Trisha Yearwood (2021) ... Self - Musical Guest actor actors
    2019
  • Baek Jong-won's Alley Restaurant

    - Oryu-dong Alley 4 (2021) ... Self actor actors
    2018
  • Amazing Saturday

    - Itzy (Lia, Ryujin) (2021) ... Self actor actors
    2018
  • Men on a Mission

    - ITZY (2023) ... actor actors

    - ITZY (2021) ... Herself actor actors

    - Special EP: "Brother School First Field Trip" II with ITZY (2019) ... Self actor actors
    2015
  • Running Man

    - 9 Years of Running Man, Spy Game (2019) ... actor actors
    2010